C31232233133313221211113313331333132313331322121133133313231333231133133322311   >>    C3123223313331322121111331333133313231333132212113313331323133323113313332231   <<    C31232233133313221211113313331333132313331322121133133313231333231133133322313   >>      C31232233133313221211113313331333132313331322121133133313231333231133133322312   >>