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