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