C312322331333132212111133133313331333133312121111331333222313223231   >>    C31232233133313221211113313331333133313331212111133133322231322323   <<    C312322331333132212111133133313331333133312121111331333222313223233   >>      C312322331333132212111133133313331333133312121111331333222313223232   >>