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