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

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

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

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

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