C312322331333132212111133133313331333133112111113232233133313111133121   >>    C31232233133313221211113313331333133313311211111323223313331311113312   <<    C312322331333132212111133133313331333133112111113232233133313111133123   >>      C312322331333132212111133133313331333133112111113232233133313111133122   >>