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