C312322331333132212111133133313331323133313331333133313331333133112111112221   >>    C31232233133313221211113313331333132313331333133313331333133313311211111222   <<    C312322331333132212111133133313331323133313331333133313331333133112111112223   >>      C312322331333132212111133133313331323133313331333133313331333133112111112222   >>