C111113331333132322331333133313331333133313121111331333132313331323133313133211   >>    C11111333133313232233133313331333133313331312111133133313231333132313331313321   <<    C111113331333132322331333133313331333133313121111331333132313331323133313133213   >>      C111113331333132322331333133313331333133313121111331333132313331323133313133212   >>