(0 21 2)(1 6 4)(3 11 9)(5 18 12)(7 23 8)(10 15 13)(14 19 16)(17 22 20)
ALLOWS (11/8)-SEQUENCE
1: (2 10 15)

(0 21 2 13 10)(1 6 4)(3 11 9)(5 18 12)(7 23 8)(14 19 16)(15)(17 22 20)
2: (5 18 12)

(0 21 2 13 10)(1 6 4)(3 11 9)(5)(7 23 8)(12)(14 19 16)(15)(17 22 20)(18)
3: (1 6 4)

(0 21 2 13 10)(1)(3 11 9)(4)(5)(6)(7 23 8)(12)(14 19 16)(15)(17 22 20)(18)
4: (0 13 10)

(0)(1)(2 13 21)(3 11 9)(4)(5)(6)(7 23 8)(10)(12)(14 19 16)(15)(17 22 20)(18)