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

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

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

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

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