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