C312322331333132212111133133313331333131122233132313331323222221   >>    C31232233133313221211113313331333133313112223313231333132322222   <<    C312322331333132212111133133313331333131122233132313331323222223   >>      C312322331333132212111133133313331333131122233132313331323222222   >>