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