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