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

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

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

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

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