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

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

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

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

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