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

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

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

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

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