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

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

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

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

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