(0 21 16)(1 7 5)(2 18 17)(3 22 20 9 4)(6 11 8)(10 14 12)(13 19 15)
ALLOWS (11/8)-SEQUENCE
1: (0 5 16)
(0)(1 7 5 21 16)(2 18 17)(3 22 20 9 4)(6 11 8)(10 14 12)(13 19 15)
2: (4 20 9)
(0)(1 7 5 21 16)(2 18 17)(3 22 20)(4)(6 11 8)(9)(10 14 12)(13 19 15)
3: (1 7 16)
(0)(1)(2 18 17)(3 22 20)(4)(5 21 16)(6 11 8)(7)(9)(10 14 12)(13 19 15)
4: (6 11 8)
(0)(1)(2 18 17)(3 22 20)(4)(5 21 16)(6)(7)(8)(9)(10 14 12)(11)(13 19 15)