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

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

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

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

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