C31232233133313221211113313331333132313331322121111133313133313331123121121   >>    C3123223313331322121111331333133313231333132212111113331313331333112312112   <<    C31232233133313221211113313331333132313331322121111133313133313331123121123   >>      C31232233133313221211113313331333132313331322121111133313133313331123121122   >>