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

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

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

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

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