C22121333132313311211113313331333133313121111331333133313331322123321   >>    C2212133313231331121111331333133313331312111133133313331333132212332   <<    C22121333132313311211113313331333133313121111331333133313331322123323   >>      C22121333132313311211113313331333133313121111331333133313331322123322   >>