C3123223313331322121111331333133313231333132212111112113313231333233233321   >>    C312322331333132212111133133313331323133313221211111211331323133323323332   <<    C3123223313331322121111331333133313231333132212111112113313231333233233323   >>      C3123223313331322121111331333133313231333132212111112113313231333233233322   >>