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