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