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