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

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

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

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

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