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

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

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

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

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