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

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

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

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

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