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

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

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

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

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