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

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

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

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

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