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