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