C31232233133313221211113313331333132313331322121133133313232212111113311   >>    C3123223313331322121111331333133313231333132212113313331323221211111331   <<    C31232233133313221211113313331333132313331322121133133313232212111113313   >>      C31232233133313221211113313331333132313331322121133133313232212111113312   >>