C111113331333132322331333133313331333132313331333133323223212112321   >>    C11111333133313232233133313331333133313231333133313332322321211232   <<    C111113331333132322331333133313331333132313331333133323223212112323   >>      C111113331333132322331333133313331333132313331333133323223212112322   >>