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