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

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

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

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

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