C312322331333132212111133133313331323133313331333133313123131211   >>    C31232233133313221211113313331333132313331333133313331312313121   <<    C312322331333132212111133133313331323133313331333133313123131213   >>      C312322331333132212111133133313331323133313331333133313123131212   >>