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

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

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

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

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