C312322331333132212111133133313331323133313221211331333132332211   >>    C31232233133313221211113313331333132313331322121133133313233221   <<    C312322331333132212111133133313331323133313221211331333132332213   >>      C312322331333132212111133133313331323133313221211331333132332212   >>