C31232233133313221211113313331333132313331322121111112223313112113313331211311   >>    C3123223313331322121111331333133313231333132212111111222331311211331333121131   <<    C31232233133313221211113313331333132313331322121111112223313112113313331211313   >>      C31232233133313221211113313331333132313331322121111112223313112113313331211312   >>