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