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

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

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

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

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