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

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

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

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

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