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

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

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

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

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