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

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

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

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

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