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