C31232233133313221211113313331333131211113313231333132333112322331   >>    C3123223313331322121111331333133313121111331323133313233311232233   <<    C31232233133313221211113313331333131211113313231333132333112322333   >>      C31232233133313221211113313331333131211113313231333132333112322332   >>