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

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

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

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

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