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