C312322331333132212111133133313331323133313233313133313231323321111   >>    C31232233133313221211113313331333132313331323331313331323132332111   <<    C312322331333132212111133133313331323133313233313133313231323321113   >>      C312322331333132212111133133313331323133313233313133313231323321112   >>