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