C31232233133313221211113313331333132313331322121111331313331313121   >>    C3123223313331322121111331333133313231333132212111133131333131312   <<    C31232233133313221211113313331333132313331322121111331313331313123   >>      C31232233133313221211113313331333132313331322121111331313331313122   >>