C31232233133313221211113313331333132313331322121133133313221323311   >>    C3123223313331322121111331333133313231333132212113313331322132331   <<    C31232233133313221211113313331333132313331322121133133313221323313   >>      C31232233133313221211113313331333132313331322121133133313221323312   >>