C312322331333132212111133133313331323132322331333133313111121311   >>    C31232233133313221211113313331333132313232233133313331311112131   <<    C312322331333132212111133133313331323132322331333133313111121313   >>      C312322331333132212111133133313331323132322331333133313111121312   >>