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

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

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

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

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