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

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

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

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

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