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

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

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

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

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