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