(0 19 15)(1 20 3)(2 7 4)(5 16 14)(6 12 8)(9 13 11)(10 18 17)
ALLOWS (11/8)-SEQUENCE
1: (10 18 20)
(0 19 15)(1 20 17 10 3)(2 7 4)(5 16 14)(6 12 8)(9 13 11)(18)
2: (0 19 15)
(0)(1 20 17 10 3)(2 7 4)(5 16 14)(6 12 8)(9 13 11)(15)(18)(19)
3: (5 16 14)
(0)(1 20 17 10 3)(2 7 4)(5)(6 12 8)(9 13 11)(14)(15)(16)(18)(19)
4: (3 17 10)
(0)(1 20 17)(2 7 4)(3)(5)(6 12 8)(9 13 11)(10)(14)(15)(16)(18)(19)