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

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

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

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

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