C31232233133313221211113313331333132313331323331333132312323323111   >>    C3123223313331322121111331333133313231333132333133313231232332311   <<    C31232233133313221211113313331333132313331323331333132312323323113   >>      C31232233133313221211113313331333132313331323331333132312323323112   >>