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

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

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

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

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