C312322331333132212111133133313331323133313221211111211111323312111112112311   >>    C31232233133313221211113313331333132313331322121111121111132331211111211231   <<    C312322331333132212111133133313331323133313221211111211111323312111112112313   >>      C312322331333132212111133133313331323133313221211111211111323312111112112312   >>