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

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

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

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

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