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