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

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

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

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

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