C31232233133313221211113313331333132313331322121111123121111331311131121   >>    C3123223313331322121111331333133313231333132212111112312111133131113112   <<    C31232233133313221211113313331333132313331322121111123121111331311131123   >>      C31232233133313221211113313331333132313331322121111123121111331311131122   >>