C31232233133313221211113313331333132313331333133313331333133313232233131231321   >>    C3123223313331322121111331333133313231333133313331333133313331323223313123132   <<    C31232233133313221211113313331333132313331333133313331333133313232233131231323   >>      C31232233133313221211113313331333132313331333133313331333133313232233131231322   >>