C31232233133313221211113313331333132313331322121111121133121111123121   >>    C3123223313331322121111331333133313231333132212111112113312111112312   <<    C31232233133313221211113313331333132313331322121111121133121111123123   >>      C31232233133313221211113313331333132313331322121111121133121111123122   >>