C312322331333132212111133133313331323133313221211113313112111211231   >>    C31232233133313221211113313331333132313331322121111331311211121123   <<    C312322331333132212111133133313331323133313221211113313112111211233   >>      C312322331333132212111133133313331323133313221211113313112111211232   >>