(0 21 4)(1 11 2)(3 7 6)(5 12 9)(8 17 15 13 10)(14 19 16)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 8 17)
(0 21 4)(1 15 13 10 8 11 2)(3 7 6)(5 12 9)(14 19 16)(17)(18 22 20)
2: (8 11 15)
(0 21 4)(1 15 2)(3 7 6)(5 12 9)(8 13 10)(11)(14 19 16)(17)(18 22 20)
3: (5 12 9)
(0 21 4)(1 15 2)(3 7 6)(5)(8 13 10)(9)(11)(12)(14 19 16)(17)(18 22 20)
4: (14 19 16)
(0 21 4)(1 15 2)(3 7 6)(5)(8 13 10)(9)(11)(12)(14)(16)(17)(18 22 20)(19)