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