C312322331333132212111133133313331323133313331333133313331333133112111112312311   >>    C31232233133313221211113313331333132313331333133313331333133313311211111231231   <<    C312322331333132212111133133313331323133313331333133313331333133112111112312313   >>      C312322331333132212111133133313331323133313331333133313331333133112111112312312   >>