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