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

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

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

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

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