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

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

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

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

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