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