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