C312322331333132212111133133313331323133313221211331333133313311233133313122311   >>    C31232233133313221211113313331333132313331322121133133313331331123313331312231   <<    C312322331333132212111133133313331323133313221211331333133313311233133313122313   >>      C312322331333132212111133133313331323133313221211331333133313311233133313122312   >>