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

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

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

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

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