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