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