C31232233133313221211113313331333133313331212111133133312331322333132312321   >>    C3123223313331322121111331333133313331333121211113313331233132233313231232   <<    C31232233133313221211113313331333133313331212111133133312331322333132312323   >>      C31232233133313221211113313331333133313331212111133133312331322333132312322   >>