C11112331333132311331333133313231333131133131211111333132213112321   >>    C1111233133313231133133313331323133313113313121111133313221311232   <<    C11112331333132311331333133313231333131133131211111333132213112323   >>      C11112331333132311331333133313231333131133131211111333132213112322   >>