C31232233133313221211113313331333132313331322121133133313233111221   >>    C3123223313331322121111331333133313231333132212113313331323311122   <<    C31232233133313221211113313331333132313331322121133133313233111223   >>      C31232233133313221211113313331333132313331322121133133313233111222   >>