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