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