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

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

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

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

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