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

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

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

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

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