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