C31232233133313221211113313331333132313331322121111121133131333132322123112311   >>    C3123223313331322121111331333133313231333132212111112113313133313232212311231   <<    C31232233133313221211113313331333132313331322121111121133131333132322123112313   >>      C31232233133313221211113313331333132313331322121111121133131333132322123112312   >>