C312322331333132212111133133313331323133313221211331333132332233121   >>    C31232233133313221211113313331333132313331322121133133313233223312   <<    C312322331333132212111133133313331323133313221211331333132332233123   >>      C312322331333132212111133133313331323133313221211331333132332233122   >>