C31232233133313221211113313331333132313331322121111332212111133232213121   >>    C3123223313331322121111331333133313231333132212111133221211113323221312   <<    C31232233133313221211113313331333132313331322121111332212111133232213123   >>      C31232233133313221211113313331333132313331322121111332212111133232213122   >>