C111113331333132322331333133313331323133313231333133313121111331333132321   >>    C11111333133313232233133313331333132313331323133313331312111133133313232   <<    C111113331333132322331333133313331323133313231333133313121111331333132323   >>      C111113331333132322331333133313331323133313231333133313121111331333132322   >>