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

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

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

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

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