C3123223313331322121111331333133313231333132212111112111111313112113313132131   >>    C312322331333132212111133133313331323133313221211111211111131311211331313213   <<    C3123223313331322121111331333133313231333132212111112111111313112113313132133   >>      C3123223313331322121111331333133313231333132212111112111111313112113313132132   >>