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