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

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

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

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

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