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

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

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

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

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