C31232233133313221211113313331333132313331322121111121133121333131   >>    C3123223313331322121111331333133313231333132212111112113312133313   <<    C31232233133313221211113313331333132313331322121111121133121333133   >>      C31232233133313221211113313331333132313331322121111121133121333132   >>