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