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