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

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

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

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

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