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

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

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

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

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