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

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

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

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

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