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

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

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

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

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