C31232233133313221211113313331333132313331333133313331333133313331323113233221   >>    C3123223313331322121111331333133313231333133313331333133313331333132311323322   <<    C31232233133313221211113313331333132313331333133313331333133313331323113233223   >>      C31232233133313221211113313331333132313331333133313331333133313331323113233222   >>