C3123223313331322121111331333133313231333112113313331323331333132322131   >>    C312322331333132212111133133313331323133311211331333132333133313232213   <<    C3123223313331322121111331333133313231333112113313331323331333132322133   >>      C3123223313331322121111331333133313231333112113313331323331333132322132   >>