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

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

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

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

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