C312322331333132212111133133313331323133313331333133313331333133313331122223211   >>    C31232233133313221211113313331333132313331333133313331333133313331333112222321   <<    C312322331333132212111133133313331323133313331333133313331333133313331122223213   >>      C312322331333132212111133133313331323133313331333133313331333133313331122223212   >>