C312322331333132212111133133313331323133313221211331333132232213231   >>    C31232233133313221211113313331333132313331322121133133313223221323   <<    C312322331333132212111133133313331323133313221211331333132232213233   >>      C312322331333132212111133133313331323133313221211331333132232213232   >>