(0 4 2)(1 21 19 10 6)(3 16 9 8 5)(7 13 11)(12 17 14)(15 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 1 2)
(0)(1 4 2 21 19 10 6)(3 16 9 8 5)(7 13 11)(12 17 14)(15 20 18)
2: (1 4 6)
(0)(1)(2 21 19 10 6)(3 16 9 8 5)(4)(7 13 11)(12 17 14)(15 20 18)
3: (3 16 5)
(0)(1)(2 21 19 10 6)(3)(4)(5 9 8)(7 13 11)(12 17 14)(15 20 18)(16)
4: (2 21 6)
(0)(1)(2)(3)(4)(5 9 8)(6 19 10)(7 13 11)(12 17 14)(15 20 18)(16)(21)