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