C312322331333132212111133133313331323133313331333133313331333133311233132313121   >>    C31232233133313221211113313331333132313331333133313331333133313331123313231312   <<    C312322331333132212111133133313331323133313331333133313331333133311233132313123   >>      C312322331333132212111133133313331323133313331333133313331333133311233132313122   >>