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