C31232233133313221211113313331333132313331333133313331333133313331312323232211   >>    C3123223313331322121111331333133313231333133313331333133313331333131232323221   <<    C31232233133313221211113313331333132313331333133313331333133313331312323232213   >>      C31232233133313221211113313331333132313331333133313331333133313331312323232212   >>