C111123313121111121111331333132313331323133313331211111333132331213221132321   >>    C11112331312111112111133133313231333132313331333121111133313233121322113232   <<    C111123313121111121111331333132313331323133313331211111333132331213221132323   >>      C111123313121111121111331333132313331323133313331211111333132331213221132322   >>