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