C31232233133313221211113313331333132313331322121111331313233223311   >>    C3123223313331322121111331333133313231333132212111133131323322331   <<    C31232233133313221211113313331333132313331322121111331313233223313   >>      C31232233133313221211113313331333132313331322121111331313233223312   >>