*HEADING
 : Test extension of contact surface, finite sliding, ISL21A
 TEST 9-DIGIT LABELS
*PREPRINT,ECHO=YES,HIST=YES,MODEL=YES
*NODE, NSET=NBLOCK1
900000001, 0.0, 8.0, 0.0
900000009, 0.0, 0.0, 0.0
900000011, 1.0, 8.0, 0.0
900000019, 1.0, 0.0, 0.0
900000021, 2.0, 8.0, 0.0
900000029, 2.0, 0.0, 0.0
*NGEN, NSET=NBLOCK1
900000001,900000009, 1
900000011,900000019, 1
900000021,900000029, 1
*NODE, NSET=NBLOCK2
900000051, 2.0, 8.0, 0.0
900000053, 2.0, 7.0, 0.0
900000071, 3.0, 8.0, 0.0
900000073, 3.0, 7.0, 0.0
*NODE, NSET=NBLOCK3
900000057, 2.0, 1.0, 0.0
900000059, 2.0, 0.0, 0.0
900000077, 3.0, 1.0, 0.0
900000079, 3.0, 0.0, 0.0
*NSET, NSET=NMOVE2
900000071,900000073
*NSET, NSET=NMOVE3
900000077,900000079
*NSET, NSET=NBASE
900000001,900000002,900000003,900000004,900000005,900000006,900000007,900000008,900000009
*NSET, NSET=NALL
 NBLOCK1
 NBLOCK2
 NBLOCK3
*ELEMENT, TYPE=CAX4, ELSET=EBLOCK1
900000001,900000023,900000021,900000001,900000003
*ELGEN, ELSET=EBLOCK1
900000001, 4, 2, 1
*ELEMENT, TYPE=CAX4, ELSET=EBLOCK2
900000100,900000073,900000071,900000051,900000053
*ELEMENT, TYPE=CAX4, ELSET=EBLOCK3
900000101,900000079,900000077,900000057,900000059
*ELSET, ELSET=EALL
 EBLOCK1
 EBLOCK2
 EBLOCK3
*ELSET, ELSET=ETOP
900000001,900000002,900000003,900000004
*SOLID SECTION, ELSET=EALL, MAT=MAT1
*MATERIAL,NAME=MAT1
*ELASTIC
 3e6, 0.2
*ELEMENT, TYPE=ISL21A, ELSET=SLIDE1
900000201,900000051,900000053
*ELEMENT, TYPE=ISL21A, ELSET=SLIDE2
900000202,900000057,900000059
*ELSET,ELSET=SLIDE
SLIDE1, SLIDE2 
*SLIDELINE, ELSET=SLIDE1, TYPE=LINEAR, EXTENSION ZONE=0.15 
900000021, 900000023, 900000025
*SLIDELINE, ELSET=SLIDE2, TYPE=LINEAR, EXTENSION ZONE=0.10 
900000025, 900000027, 900000029
*INTERFACE, ELSET=SLIDE1
*INTERFACE, ELSET=SLIDE2
*STEP, NLGEOM, INC=50
*STATIC
 ,1.0
*BOUNDARY, OP=NEW
 NBASE,  1, 2, 0.0
 NMOVE2, 2, 2, 0.0
 NMOVE3, 2, 2, 0.0
*DLOAD, OP=NEW
 EBLOCK2, P1, 2.0
 EBLOCK3, P1, 2.0
*PRINT, CONTACT=YES
*NODE PRINT,F=0
*EL PRINT, F=50, ELSET=SLIDE
S,E
*OUTPUT, FIELD, FREQ=50
*ELEMENT OUTPUT,ELSET=SLIDE
S,E
*END STEP
*STEP, NLGEOM, INC=50
*STATIC
 0.1,1.0
*BOUNDARY, OP=NEW
 NBASE,  1, 2, 0.0
 NMOVE2, 2, 2, 0.30
 NMOVE3, 2, 2,-0.20
*PRINT, CONTACT=YES
*NODE PRINT, F=50
U,
*END STEP