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