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