C31232233133313221211113313331333131211113313231333131232212323131   >>    C3123223313331322121111331333133313121111331323133313123221232313   <<    C31232233133313221211113313331333131211113313231333131232212323133   >>      C31232233133313221211113313331333131211113313231333131232212323132   >>