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

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

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

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

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