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