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