C312322331333132212111133133313331333133112111113232233133313331311211   >>    C31232233133313221211113313331333133313311211111323223313331333131121   <<    C312322331333132212111133133313331333133112111113232233133313331311213   >>      C312322331333132212111133133313331333133112111113232233133313331311212   >>