C111113331333132322331333133313331323133313233213133313112113313132313311   >>    C11111333133313232233133313331333132313331323321313331311211331313231331   <<    C111113331333132322331333133313331323133313233213133313112113313132313313   >>      C111113331333132322331333133313331323133313233213133313112113313132313312   >>