C3123223313331322121111331333133313231333132212111112113313113322231231   >>    C312322331333132212111133133313331323133313221211111211331311332223123   <<    C3123223313331322121111331333133313231333132212111112113313113322231233   >>      C3123223313331322121111331333133313231333132212111112113313113322231232   >>