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