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