C31232233133313221211113313331333132313331322121111132313233131   >>    C3123223313331322121111331333133313231333132212111113231323313   <<    C31232233133313221211113313331333132313331322121111132313233133   >>      C31232233133313221211113313331333132313331322121111132313233132   >>