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