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

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

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

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

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