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