(0 21 2)(1 5 3)(4 8 6)(7 16 9)(10 15 12)(11 19 17 14 13)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (4 8 12)

(0 21 2)(1 5 3)(4 10 15 12 6)(7 16 9)(8)(11 19 17 14 13)(18 22 20)
2: (7 16 9)

(0 21 2)(1 5 3)(4 10 15 12 6)(7)(8)(9)(11 19 17 14 13)(16)(18 22 20)
3: (11 19 13)

(0 21 2)(1 5 3)(4 10 15 12 6)(7)(8)(9)(11)(13 17 14)(16)(18 22 20)(19)
4: (6 15 12)

(0 21 2)(1 5 3)(4 10 15)(6)(7)(8)(9)(11)(12)(13 17 14)(16)(18 22 20)(19)