C312322331333132212111133133313331333133112111113232233133313332313221   >>    C31232233133313221211113313331333133313311211111323223313331333231322   <<    C312322331333132212111133133313331333133112111113232233133313332313223   >>      C312322331333132212111133133313331333133112111113232233133313332313222   >>